Home / 1,213,175.75-1,674,170.97-669,315.92

Finding the Fourth Proportional to 1,213,175.75, 1,674,170.97 and 669,315.92

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Solution

The fourth proportional to 1,213,175.75, 1,674,170.97 and 669,315.92 is: 923,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,175.75 : 1,674,170.97 = 669,315.92 : x
  2. Step 2: Convert to fraction form
    1,213,175.75/1,674,170.97 = 669,315.92/x
  3. Step 3: Cross multiply
    1,213,175.75x = 1,674,170.97 × 669,315.92
  4. Step 4: Simplify right side
    1,213,175.75x = 1,120,549,274,651.99
  5. Step 5: Solve for x
    x = 1,120,549,274,651.99/1,213,175.75
  6. Step 6: Final answer
    x = 923,649.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.